stopgap measure for #1210

test/unit/post_test.rb

@@ -741,6 +741,15 @@ class PostTest < ActiveSupport::TestCase
         CurrentUser.ip_addr = nil
       end
 
+      should "periodically clean the fav_string" do
+        @post.update_column(:fav_string, "fav:1 fav:1 fav:1")
+        @post.update_column(:fav_count, 3)
+        @post.stubs(:clean_fav_string?).returns(true)
+        @post.append_user_to_fav_string(2)
+        assert_equal("fav:1 fav:2", @post.fav_string)
+        assert_equal(2, @post.fav_count)
+      end
+
       should "increment the user's favorite_count" do
         assert_difference("CurrentUser.favorite_count", 1) do
           @post.add_favorite!(@user)

test/unit/user_test.rb

@@ -14,6 +14,19 @@ class UserTest < ActiveSupport::TestCase
       CurrentUser.ip_addr = nil
     end
 
+    context "favoriting a post" do
+      setup do
+        @user.update_column(:favorite_count, 999)
+        @user.stubs(:clean_favorite_count?).returns(true)
+        @post = FactoryGirl.create(:post)
+      end
+
+      should "periodically clean the favorite_count" do
+        @user.add_favorite!(@post)
+        assert_equal(1, @user.favorite_count)
+      end
+    end
+
     context "that has been invited by a mod" do
       setup do
         @mod = FactoryGirl.create(:moderator_user)